arch/um/Kconfig.i386

   1 menu "Host processor type and features"
   2
   3 source "arch/x86/Kconfig.cpu"
   4
   5 endmenu
   6
   7 config UML_X86
   8         bool
   9         default y
  10
  11 config X86_32
  12        bool
  13        default y
  14
  15 config RWSEM_XCHGADD_ALGORITHM
  16         def_bool y
  17
  18 config 64BIT
  19         bool
  20         default n
  21
  22 config 3_LEVEL_PGTABLES
  23         bool "Three-level pagetables (EXPERIMENTAL)"
  24         default n
  25         depends on EXPERIMENTAL
  26         help
  27         Three-level pagetables will let UML have more than 4G of physical
  28         memory.  All the memory that can't be mapped directly will be treated
  29         as high memory.
  30
  31         However, this it experimental on 32-bit architectures, so if unsure say
  32         N (on x86-64 it's automatically enabled, instead, as it's safe there).
  33
  34 config ARCH_HAS_SC_SIGNALS
  35         bool
  36         default y
  37
  38 config ARCH_REUSE_HOST_VSYSCALL_AREA
  39         bool
  40         default y
  41
  42 config GENERIC_FIND_NEXT_BIT
  43         bool
  44         default y
  45
  46 config GENERIC_HWEIGHT
  47         bool
  48         default y
  49
  50 config ARCH_SUPPORTS_AOUT
  51         def_bool y